From e4b4abc8acf20d9efa4ce817f8ccf81f2d8cf7b4 Mon Sep 17 00:00:00 2001 From: Brian White Date: Sun, 8 Sep 2013 11:43:44 -0400 Subject: [PATCH] deps: update stringencoding to cadce3b692b0 --- deps/encoding/encoding.js | 847 ++++++++++++++++---------------------- 1 file changed, 356 insertions(+), 491 deletions(-) diff --git a/deps/encoding/encoding.js b/deps/encoding/encoding.js index 33eb7af..61b7bb0 100644 --- a/deps/encoding/encoding.js +++ b/deps/encoding/encoding.js @@ -283,387 +283,469 @@ function getEncoding(label) { * heading: string}>} */ var encodings = [ { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'unicode-1-1-utf-8', - 'utf-8', - 'utf8' + "labels": [ + "unicode-1-1-utf-8", + "utf-8", + "utf8" ], - 'name': 'utf-8' + "name": "utf-8" } ], - 'heading': 'The Encoding' + "heading": "The Encoding" }, { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'cp864', - 'ibm864' + "labels": [ + "864", + "cp864", + "csibm864", + "ibm864" ], - 'name': 'ibm864' + "name": "ibm864" }, { - 'labels': [ - 'cp866', - 'ibm866' + "labels": [ + "866", + "cp866", + "csibm866", + "ibm866" ], - 'name': 'ibm866' + "name": "ibm866" }, { - 'labels': [ - 'csisolatin2', - 'iso-8859-2', - 'iso-ir-101', - 'iso8859-2', - 'iso_8859-2', - 'l2', - 'latin2' + "labels": [ + "csisolatin2", + "iso-8859-2", + "iso-ir-101", + "iso8859-2", + "iso88592", + "iso_8859-2", + "iso_8859-2:1987", + "l2", + "latin2" ], - 'name': 'iso-8859-2' + "name": "iso-8859-2" }, { - 'labels': [ - 'csisolatin3', - 'iso-8859-3', - 'iso_8859-3', - 'iso-ir-109', - 'l3', - 'latin3' + "labels": [ + "csisolatin3", + "iso-8859-3", + "iso-ir-109", + "iso8859-3", + "iso88593", + "iso_8859-3", + "iso_8859-3:1988", + "l3", + "latin3" ], - 'name': 'iso-8859-3' + "name": "iso-8859-3" }, { - 'labels': [ - 'csisolatin4', - 'iso-8859-4', - 'iso_8859-4', - 'iso-ir-110', - 'l4', - 'latin4' + "labels": [ + "csisolatin4", + "iso-8859-4", + "iso-ir-110", + "iso8859-4", + "iso88594", + "iso_8859-4", + "iso_8859-4:1988", + "l4", + "latin4" ], - 'name': 'iso-8859-4' + "name": "iso-8859-4" }, { - 'labels': [ - 'csisolatincyrillic', - 'cyrillic', - 'iso-8859-5', - 'iso_8859-5', - 'iso-ir-144' + "labels": [ + "csisolatincyrillic", + "cyrillic", + "iso-8859-5", + "iso-ir-144", + "iso8859-5", + "iso88595", + "iso_8859-5", + "iso_8859-5:1988" ], - 'name': 'iso-8859-5' + "name": "iso-8859-5" }, { - 'labels': [ - 'arabic', - 'csisolatinarabic', - 'ecma-114', - 'iso-8859-6', - 'iso_8859-6', - 'iso-ir-127' + "labels": [ + "arabic", + "asmo-708", + "csiso88596e", + "csiso88596i", + "csisolatinarabic", + "ecma-114", + "iso-8859-6", + "iso-8859-6-e", + "iso-8859-6-i", + "iso-ir-127", + "iso8859-6", + "iso88596", + "iso_8859-6", + "iso_8859-6:1987" ], - 'name': 'iso-8859-6' + "name": "iso-8859-6" }, { - 'labels': [ - 'csisolatingreek', - 'ecma-118', - 'elot_928', - 'greek', - 'greek8', - 'iso-8859-7', - 'iso_8859-7', - 'iso-ir-126' + "labels": [ + "csisolatingreek", + "ecma-118", + "elot_928", + "greek", + "greek8", + "iso-8859-7", + "iso-ir-126", + "iso8859-7", + "iso88597", + "iso_8859-7", + "iso_8859-7:1987", + "sun_eu_greek" ], - 'name': 'iso-8859-7' + "name": "iso-8859-7" }, { - 'labels': [ - 'csisolatinhebrew', - 'hebrew', - 'iso-8859-8', - 'iso-8859-8-i', - 'iso-ir-138', - 'iso_8859-8', - 'visual' + "labels": [ + "csiso88598e", + "csisolatinhebrew", + "hebrew", + "iso-8859-8", + "iso-8859-8-e", + "iso-ir-138", + "iso8859-8", + "iso88598", + "iso_8859-8", + "iso_8859-8:1988", + "visual" ], - 'name': 'iso-8859-8' + "name": "iso-8859-8" }, { - 'labels': [ - 'csisolatin6', - 'iso-8859-10', - 'iso-ir-157', - 'iso8859-10', - 'l6', - 'latin6' + "labels": [ + "csiso88598i", + "iso-8859-8-i", + "logical" ], - 'name': 'iso-8859-10' + "name": "iso-8859-8-i" }, { - 'labels': [ - 'iso-8859-13' + "labels": [ + "csisolatin6", + "iso-8859-10", + "iso-ir-157", + "iso8859-10", + "iso885910", + "l6", + "latin6" ], - 'name': 'iso-8859-13' + "name": "iso-8859-10" }, { - 'labels': [ - 'iso-8859-14', - 'iso8859-14' + "labels": [ + "iso-8859-13", + "iso8859-13", + "iso885913" ], - 'name': 'iso-8859-14' + "name": "iso-8859-13" }, { - 'labels': [ - 'iso-8859-15', - 'iso_8859-15' + "labels": [ + "iso-8859-14", + "iso8859-14", + "iso885914" ], - 'name': 'iso-8859-15' + "name": "iso-8859-14" }, { - 'labels': [ - 'iso-8859-16' + "labels": [ + "csisolatin9", + "iso-8859-15", + "iso8859-15", + "iso885915", + "iso_8859-15", + "l9" ], - 'name': 'iso-8859-16' + "name": "iso-8859-15" }, { - 'labels': [ - 'koi8-r', - 'koi8_r' + "labels": [ + "iso-8859-16" ], - 'name': 'koi8-r' + "name": "iso-8859-16" }, { - 'labels': [ - 'koi8-u' + "labels": [ + "cskoi8r", + "koi", + "koi8", + "koi8-r", + "koi8_r" ], - 'name': 'koi8-u' + "name": "koi8-r" }, { - 'labels': [ - 'csmacintosh', - 'mac', - 'macintosh', - 'x-mac-roman' + "labels": [ + "koi8-u" ], - 'name': 'macintosh' + "name": "koi8-u" }, { - 'labels': [ - 'iso-8859-11', - 'tis-620', - 'windows-874' + "labels": [ + "csmacintosh", + "mac", + "macintosh", + "x-mac-roman" ], - 'name': 'windows-874' + "name": "macintosh" }, { - 'labels': [ - 'windows-1250', - 'x-cp1250' + "labels": [ + "dos-874", + "iso-8859-11", + "iso8859-11", + "iso885911", + "tis-620", + "windows-874" ], - 'name': 'windows-1250' + "name": "windows-874" }, { - 'labels': [ - 'windows-1251', - 'x-cp1251' + "labels": [ + "cp1250", + "windows-1250", + "x-cp1250" ], - 'name': 'windows-1251' + "name": "windows-1250" }, { - 'labels': [ - 'ascii', - 'ansi_x3.4-1968', - 'csisolatin1', - 'iso-8859-1', - 'iso8859-1', - 'iso_8859-1', - 'l1', - 'latin1', - 'us-ascii', - 'windows-1252' + "labels": [ + "cp1251", + "windows-1251", + "x-cp1251" ], - 'name': 'windows-1252' + "name": "windows-1251" }, { - 'labels': [ - 'cp1253', - 'windows-1253' + "labels": [ + "ansi_x3.4-1968", + "ascii", + "cp1252", + "cp819", + "csisolatin1", + "ibm819", + "iso-8859-1", + "iso-ir-100", + "iso8859-1", + "iso88591", + "iso_8859-1", + "iso_8859-1:1987", + "l1", + "latin1", + "us-ascii", + "windows-1252", + "x-cp1252" ], - 'name': 'windows-1253' + "name": "windows-1252" }, { - 'labels': [ - 'csisolatin5', - 'iso-8859-9', - 'iso-ir-148', - 'l5', - 'latin5', - 'windows-1254' + "labels": [ + "cp1253", + "windows-1253", + "x-cp1253" ], - 'name': 'windows-1254' + "name": "windows-1253" }, { - 'labels': [ - 'cp1255', - 'windows-1255' + "labels": [ + "cp1254", + "csisolatin5", + "iso-8859-9", + "iso-ir-148", + "iso8859-9", + "iso88599", + "iso_8859-9", + "iso_8859-9:1989", + "l5", + "latin5", + "windows-1254", + "x-cp1254" ], - 'name': 'windows-1255' + "name": "windows-1254" }, { - 'labels': [ - 'cp1256', - 'windows-1256' + "labels": [ + "cp1255", + "windows-1255", + "x-cp1255" ], - 'name': 'windows-1256' + "name": "windows-1255" }, { - 'labels': [ - 'windows-1257' + "labels": [ + "cp1256", + "windows-1256", + "x-cp1256" ], - 'name': 'windows-1257' + "name": "windows-1256" }, { - 'labels': [ - 'cp1258', - 'windows-1258' + "labels": [ + "cp1257", + "windows-1257", + "x-cp1257" ], - 'name': 'windows-1258' + "name": "windows-1257" }, { - 'labels': [ - 'x-mac-cyrillic', - 'x-mac-ukrainian' + "labels": [ + "cp1258", + "windows-1258", + "x-cp1258" ], - 'name': 'x-mac-cyrillic' + "name": "windows-1258" + }, + { + "labels": [ + "x-mac-cyrillic", + "x-mac-ukrainian" + ], + "name": "x-mac-cyrillic" } ], - 'heading': 'Legacy single-byte encodings' + "heading": "Legacy single-byte encodings" }, { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'chinese', - 'csgb2312', - 'csiso58gb231280', - 'gb2312', - 'gbk', - 'gb_2312', - 'gb_2312-80', - 'iso-ir-58', - 'x-gbk' + "labels": [ + "chinese", + "csgb2312", + "csiso58gb231280", + "gb2312", + "gb_2312", + "gb_2312-80", + "gbk", + "iso-ir-58", + "x-gbk" ], - 'name': 'gbk' + "name": "gbk" }, { - 'labels': [ - 'gb18030' + "labels": [ + "gb18030" ], - 'name': 'gb18030' + "name": "gb18030" }, { - 'labels': [ - 'hz-gb-2312' + "labels": [ + "hz-gb-2312" ], - 'name': 'hz-gb-2312' + "name": "hz-gb-2312" } ], - 'heading': 'Legacy multi-byte Chinese (simplified) encodings' + "heading": "Legacy multi-byte Chinese (simplified) encodings" }, { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'big5', - 'big5-hkscs', - 'cn-big5', - 'csbig5', - 'x-x-big5' + "labels": [ + "big5", + "big5-hkscs", + "cn-big5", + "csbig5", + "x-x-big5" ], - 'name': 'big5' + "name": "big5" } ], - 'heading': 'Legacy multi-byte Chinese (traditional) encodings' + "heading": "Legacy multi-byte Chinese (traditional) encodings" }, { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'cseucpkdfmtjapanese', - 'euc-jp', - 'x-euc-jp' + "labels": [ + "cseucpkdfmtjapanese", + "euc-jp", + "x-euc-jp" ], - 'name': 'euc-jp' + "name": "euc-jp" }, { - 'labels': [ - 'csiso2022jp', - 'iso-2022-jp' + "labels": [ + "csiso2022jp", + "iso-2022-jp" ], - 'name': 'iso-2022-jp' + "name": "iso-2022-jp" }, { - 'labels': [ - 'csshiftjis', - 'ms_kanji', - 'shift-jis', - 'shift_jis', - 'sjis', - 'windows-31j', - 'x-sjis' + "labels": [ + "csshiftjis", + "ms_kanji", + "shift-jis", + "shift_jis", + "sjis", + "windows-31j", + "x-sjis" ], - 'name': 'shift_jis' + "name": "shift_jis" } ], - 'heading': 'Legacy multi-byte Japanese encodings' + "heading": "Legacy multi-byte Japanese encodings" }, { - 'encodings': [ - { - 'labels': [ - 'cseuckr', - 'csksc56011987', - 'euc-kr', - 'iso-ir-149', - 'korean', - 'ks_c_5601-1987', - 'ks_c_5601-1989', - 'ksc5601', - 'ksc_5601', - 'windows-949' - ], - 'name': 'euc-kr' - }, + "encodings": [ { - 'labels': [ - 'csiso2022kr', - 'iso-2022-kr' + "labels": [ + "cseuckr", + "csksc56011987", + "euc-kr", + "iso-ir-149", + "korean", + "ks_c_5601-1987", + "ks_c_5601-1989", + "ksc5601", + "ksc_5601", + "windows-949" ], - 'name': 'iso-2022-kr' + "name": "euc-kr" } ], - 'heading': 'Legacy multi-byte Korean encodings' + "heading": "Legacy multi-byte Korean encodings" }, { - 'encodings': [ + "encodings": [ { - 'labels': [ - 'utf-16', - 'utf-16le' + "labels": [ + "csiso2022kr", + "iso-2022-kr", + "iso-2022-cn", + "iso-2022-cn-ext" ], - 'name': 'utf-16' + "name": "replacement" }, { - 'labels': [ - 'utf-16be' + "labels": [ + "utf-16be" ], - 'name': 'utf-16be' + "name": "utf-16be" + }, + { + "labels": [ + "utf-16", + "utf-16le" + ], + "name": "utf-16le" + }, + { + "labels": [ + "x-user-defined" + ], + "name": "x-user-defined" } ], - 'heading': 'Legacy utf-16 encodings' + "heading": "Legacy miscellaneous encodings" } ]; @@ -950,21 +1032,18 @@ function SingleByteEncoder(index, options) { } (function() { - ['ibm864', 'ibm866', 'iso-8859-2', 'iso-8859-3', 'iso-8859-4', - 'iso-8859-5', 'iso-8859-6', 'iso-8859-7', 'iso-8859-8', 'iso-8859-10', - 'iso-8859-13', 'iso-8859-14', 'iso-8859-15', 'iso-8859-16', 'koi8-r', - 'koi8-u', 'macintosh', 'windows-874', 'windows-1250', 'windows-1251', - 'windows-1252', 'windows-1253', 'windows-1254', 'windows-1255', - 'windows-1256', 'windows-1257', 'windows-1258', 'x-mac-cyrillic' - ].forEach(function(name) { - var encoding = name_to_encoding[name]; - var index = indexes[name]; - encoding.getDecoder = function(options) { - return new SingleByteDecoder(index, options); - }; - encoding.getEncoder = function(options) { - return new SingleByteEncoder(index, options); - }; + encodings.forEach(function(category) { + if (category.heading !== 'Legacy single-byte encodings') + return; + category.encodings.forEach(function(encoding) { + var index = indexes[encoding.name]; + encoding.getDecoder = function(options) { + return new SingleByteDecoder(index, options); + }; + encoding.getEncoder = function(options) { + return new SingleByteEncoder(index, options); + }; + }); }); }()); @@ -1956,207 +2035,6 @@ name_to_encoding['euc-kr'].getDecoder = function(options) { return new EUCKRDecoder(options); }; -// 12.2 iso-2022-kr - -/** - * @constructor - * @param {{fatal: boolean}} options - */ -function ISO2022KRDecoder(options) { - var fatal = options.fatal; - /** @enum */ - var state = { - ASCII: 0, - escape_start: 1, - escape_middle: 2, - escape_end: 3, - lead: 4, - trail: 5 - }; - var /** @type {number} */ iso2022kr_state = state.ASCII, - /** @type {number} */ iso2022kr_lead = 0x00; - /** - * @param {ByteInputStream} byte_pointer The byte stream to decode. - * @return {?number} The next code point decoded, or null if not enough - * data exists in the input stream to decode a complete code point. - */ - this.decode = function(byte_pointer) { - var bite = byte_pointer.get(); - if (bite !== EOF_byte) { - byte_pointer.offset(1); - } - switch (iso2022kr_state) { - default: - case state.ASCII: - if (bite === 0x0E) { - iso2022kr_state = state.lead; - return null; - } - if (bite === 0x0F) { - return null; - } - if (bite === 0x1B) { - iso2022kr_state = state.escape_start; - return null; - } - if (inRange(bite, 0x00, 0x7F)) { - return bite; - } - if (bite === EOF_byte) { - return EOF_code_point; - } - return decoderError(fatal); - case state.escape_start: - if (bite === 0x24) { - iso2022kr_state = state.escape_middle; - return null; - } - if (bite !== EOF_byte) { - byte_pointer.offset(-1); - } - iso2022kr_state = state.ASCII; - return decoderError(fatal); - case state.escape_middle: - if (bite === 0x29) { - iso2022kr_state = state.escape_end; - return null; - } - if (bite === EOF_byte) { - byte_pointer.offset(-1); - } else { - byte_pointer.offset(-2); - } - iso2022kr_state = state.ASCII; - return decoderError(fatal); - case state.escape_end: - if (bite === 0x43) { - iso2022kr_state = state.ASCII; - return null; - } - if (bite === EOF_byte) { - byte_pointer.offset(-2); - } else { - byte_pointer.offset(-3); - } - iso2022kr_state = state.ASCII; - return decoderError(fatal); - case state.lead: - if (bite === 0x0A) { - iso2022kr_state = state.ASCII; - return decoderError(fatal, 0x000A); - } - if (bite === 0x0E) { - return null; - } - if (bite === 0x0F) { - iso2022kr_state = state.ASCII; - return null; - } - if (bite === EOF_byte) { - return EOF_code_point; - } - iso2022kr_lead = bite; - iso2022kr_state = state.trail; - return null; - case state.trail: - iso2022kr_state = state.lead; - if (bite === EOF_byte) { - return decoderError(fatal); - } - var code_point = null; - if (inRange(iso2022kr_lead, 0x21, 0x46) && - inRange(bite, 0x21, 0x7E)) { - code_point = indexCodePointFor((26 + 26 + 126) * - (iso2022kr_lead - 1) + - 26 + 26 + bite - 1, - indexes['euc-kr']); - } else if (inRange(iso2022kr_lead, 0x47, 0x7E) && - inRange(bite, 0x21, 0x7E)) { - code_point = indexCodePointFor((26 + 26 + 126) * (0xC7 - 0x81) + - (iso2022kr_lead - 0x47) * 94 + - (bite - 0x21), - indexes['euc-kr']); - } - if (code_point !== null) { - return code_point; - } - return decoderError(fatal); - } - }; -} - -/** - * @constructor - * @param {{fatal: boolean}} options - */ -function ISO2022KREncoder(options) { - var fatal = options.fatal; - /** @enum */ - var state = { - ASCII: 0, - lead: 1 - }; - var /** @type {boolean} */ iso2022kr_initialization = false, - /** @type {number} */ iso2022kr_state = state.ASCII; - /** - * @param {ByteOutputStream} output_byte_stream Output byte stream. - * @param {CodePointInputStream} code_point_pointer Input stream. - * @return {number} The last byte emitted. - */ - this.encode = function(output_byte_stream, code_point_pointer) { - var code_point = code_point_pointer.get(); - if (code_point === EOF_code_point) { - return EOF_byte; - } - if (!iso2022kr_initialization) { - iso2022kr_initialization = true; - output_byte_stream.emit(0x1B, 0x24, 0x29, 0x43); - } - code_point_pointer.offset(1); - if (inRange(code_point, 0x0000, 0x007F) && - iso2022kr_state !== state.ASCII) { - code_point_pointer.offset(-1); - iso2022kr_state = state.ASCII; - return output_byte_stream.emit(0x0F); - } - if (inRange(code_point, 0x0000, 0x007F)) { - return output_byte_stream.emit(code_point); - } - if (iso2022kr_state !== state.lead) { - code_point_pointer.offset(-1); - iso2022kr_state = state.lead; - return output_byte_stream.emit(0x0E); - } - var pointer = indexPointerFor(code_point, indexes['euc-kr']); - if (pointer === null) { - return encoderError(code_point); - } - var lead, trail; - if (pointer < (26 + 26 + 126) * (0xC7 - 0x81)) { - lead = div(pointer, (26 + 26 + 126)) + 1; - trail = pointer % (26 + 26 + 126) - 26 - 26 + 1; - if (!inRange(lead, 0x21, 0x46) || !inRange(trail, 0x21, 0x7E)) { - return encoderError(code_point); - } - return output_byte_stream.emit(lead, trail); - } - pointer = pointer - (26 + 26 + 126) * (0xC7 - 0x81); - lead = div(pointer, 94) + 0x47; - trail = pointer % 94 + 0x21; - if (!inRange(lead, 0x47, 0x7E) || !inRange(trail, 0x21, 0x7E)) { - return encoderError(code_point); - } - return output_byte_stream.emit(lead, trail); - }; -} - -name_to_encoding['iso-2022-kr'].getEncoder = function(options) { - return new ISO2022KREncoder(options); -}; -name_to_encoding['iso-2022-kr'].getDecoder = function(options) { - return new ISO2022KRDecoder(options); -}; - // // 13. Legacy utf-16 encodings @@ -2260,10 +2138,10 @@ function UTF16Encoder(utf16_be, options) { }; } -name_to_encoding['utf-16'].getEncoder = function(options) { +name_to_encoding['utf-16le'].getEncoder = function(options) { return new UTF16Encoder(false, options); }; -name_to_encoding['utf-16'].getDecoder = function(options) { +name_to_encoding['utf-16le'].getDecoder = function(options) { return new UTF16Decoder(false, options); }; @@ -2284,7 +2162,7 @@ name_to_encoding['utf-16be'].getDecoder = function(options) { function detectEncoding(label, input_stream) { if (input_stream.match([0xFF, 0xFE])) { input_stream.offset(2); - return 'utf-16'; + return 'utf-16le'; } if (input_stream.match([0xFE, 0xFF])) { input_stream.offset(2); @@ -2297,25 +2175,6 @@ function detectEncoding(label, input_stream) { return label; } -/** - * @param {string} label The encoding label. - * @param {ByteInputStream} input_stream The byte stream to test. - */ -function consumeBOM(label, input_stream) { - if (input_stream.match([0xFF, 0xFE]) && label === 'utf-16') { - input_stream.offset(2); - return; - } - if (input_stream.match([0xFE, 0xFF]) && label == 'utf-16be') { - input_stream.offset(2); - return; - } - if (input_stream.match([0xEF, 0xBB, 0xBF]) && label == 'utf-8') { - input_stream.offset(3); - return; - } -} - // // Implementation of Text Encoding Web API // @@ -2337,7 +2196,7 @@ function TextEncoder(opt_encoding, options) { /** @private */ this._encoding = getEncoding(opt_encoding); if (this._encoding === null || (this._encoding.name !== 'utf-8' && - this._encoding.name !== 'utf-16' && + this._encoding.name !== 'utf-16le' && this._encoding.name !== 'utf-16be')) throw new TypeError('Unknown encoding: ' + opt_encoding); /** @private @type {boolean} */ @@ -2438,17 +2297,12 @@ TextDecoder.prototype = { if (!this._streaming) { this._decoder = this._encoding.getDecoder(this._options); + this._BOMseen = false; } this._streaming = Boolean(options.stream); var input_stream = new ByteInputStream(buf); - if (!this._BOMseen) { - // TODO: Don't do this until sufficient bytes are present - this._BOMseen = true; - consumeBOM(this._encoding.name, input_stream); - } - var output_stream = new CodePointOutputStream(), code_point; while (input_stream.get() !== EOF_byte) { code_point = this._decoder.decode(input_stream); @@ -2466,10 +2320,21 @@ TextDecoder.prototype = { input_stream.get() != EOF_byte); this._decoder = null; } - return output_stream.string(); + + var result = output_stream.string(); + if (!this._BOMseen && result.length) { + this._BOMseen = true; + if (UTFs.indexOf(this.encoding) !== -1 && + result.charCodeAt(0) === 0xFEFF) { + result = result.substring(1); + } + } + + return result; } }; +var UTFs = ['utf-8', 'utf-16le', 'utf-16be']; exports.TextEncoder = TextEncoder; exports.TextDecoder = TextDecoder; exports.encodingExists = getEncoding;